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Chemistry > Mid Term Exam > Flashcards

Mid Term Exam Flashcards

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1
Q

What is the chemical symbol for

Sodium

A

Na

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2
Q

What is the chemical symbol for

Nitrogen

A

N

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3
Q

What is the chemical symbol for

Idodine

A

I

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4
Q

What is the chemical symbol for

Chromium

A

Cr

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5
Q

What is the chemical symbol for

Magnesium

A

Mg

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6
Q

What is the chemical symbol for

Phosphorus

A

P

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7
Q

What is the chemical symbol for

Sulfur

A

S

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8
Q

What is the chemical symbol for

Oxygen

A

O

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9
Q

What is the chemical symbol for

Calcium

A

Ca

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10
Q

What is the chemical symbol for

Carbon

A

C

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11
Q

What is the element represented by

Al

A

Aluminum

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12
Q

What is the element represented by

Ni

A

Nickel

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13
Q

What is the element represented by

Pb

A

Lead

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14
Q

What is the element represented by

Sr

A

Strontium

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15
Q

What is the element represented by

Ba

A

Barium

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16
Q

What is the element represented by

Sn

A

Tin

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17
Q

What is the element represented by

Bi

A

Bismuth

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18
Q

What is the element represented by

AU

A

Gold

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19
Q

What is the element represented by

F

A

Fluorine

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20
Q

What is the element represented by

Fe

A

Iron

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21
Q

What is the element represented by

Ba

A

Barium

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22
Q

What is the element represented by

H

A

Hydrogen

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23
Q

What is the element represented by

Sn

A

Tin

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24
Q

What is the element represented by

Co

A

Cobalt

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25
Q

What kind of mixture is air?
A. Homogenous
B. Compound
C. Heterogeneous

A

A. Homogenous

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26
Q

What kind of mixture is NaCl?
A. Element
B. Compound
C. Heterogeneous

A

B. Compound

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27
Q

What kind of mixture is vegetable soup?
A. Heterogeneous
B. Homogeneous
C. Compound

A

A. Heterogeneous

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28
Q

What kind of mixture is carbon?
A. Compound
B. Element
C. Homogeneous

A

B. Element

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29
Q

What state of matter is neon?
A. Solid
B. Liquid
C. Gas

A

C. Gas

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30
Q

What state of matter is olive oil?
A. Solid
B. Liquid
C. Gas

A

B. Liquid

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31
Q

What state of matter is gold?
A. Solid
B. Liquid
C. Gas

A

A. Solid

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32
Q

What state of matter is oxygen?
A. Solid
B. Liquid
C. Gas

A

C. Gas

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33
Q

What kind of change is the growth of a plant?
A. Physical
B. Chemical

A

B. Chemical

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34
Q

What kind of change is digestion of food?
A. Physical
B. Chemical

A

B. Chemical

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35
Q

What kind of change is melting ice?
A. Physical
B. Chemical

A

A. Physical

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36
Q

What kind of change is a healing wound?
A. Physical
B. Chemicals

A

B. Chemical

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37
Q

What are 4 types of evidence that shows that a chemical change has taken place?

A
  1. Change in color
  2. Gives off gas
  3. Transfer of energy
  4. Forms a precipitate
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38
Q

How many significant figures does 99 have?
A. 1
B. 2
C. 3

A

B. 2

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39
Q

How many significant figures does 0.00980 have?
A. 1
B. 2
C. 3

A

C. 3

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40
Q

How many significant figures does 506,000 have?
A. 1
B. 2
C. 3

A

C. 3

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41
Q

How many significant figures does 90 have?
A. 1
B. 2
C. 3

A

A. 1

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42
Q

How many significant figures does 50.7 have?
A. 1
B. 2
C. 3

A

C. 3

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43
Q

How many significant figures does 2.54 x 10 have?
A. 1
B. 2
C. 3

A

C. 3

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44
Q

What is the law of conservation of Mass?

A

Mass is neither gained or destroyed, it is conserved.

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45
Q

Explain how to separate water from alcohol.

A

Use distillation- boil the solution until water evaporates- left with alcohol.

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46
Q

Explain how to separate the mixture of iron fillings and lead.

A

Use magnet to pull out iron fillings.

47
Q

Express (34.5)(0.098) in the correct number of significant digits.

A

3.38

48
Q

Express (3.5x10^26)/ (2.7x10^14) in the correct number of significant digits.

A

1.3x10^12

49
Q

Express 66810.12/ 2.4 in the correct number of significant digits.

A

2.78

50
Q

Write the answer in the number of significant digits 301 + 24.98 + 8.9 =

A

334.88

51
Q

How many valence electrons does an atom of any element in Group 7A have?
A. 6
B. 7
C. 9

A

B. 7

52
Q

Round off 3.452 to 3 significant figures.
A. 3.4
B. 3.452
C. 3.45

A

C. 3.45

53
Q

Round 4.5x10^3 to one significant figure.
A. 4.5x10^3
B. 4x10^3
C. 5x10^3

A

C. 5x10^3

54
Q

Round off 4240 to 2 significant figures.
A. 4200
B. 4300
C. 4250

A

A. 4200

55
Q

Write the SI base units and symbols for mass.

A

Unit: Kilogram

Symbol for unit: Kg

56
Q

Write the SI base units and symbols for time.

A

Unit: Second

Symbol for unit: s

57
Q

Write the SI base units and symbols for length.

A

Unit: Meter

Symbol for unit: m

58
Q

Arrange Mg, Ra, and Be in the order of increasing ionization energy. (Getting larger)

A

Ra-Mg-Be

59
Q

Arrange Li, F and C in the order of increasing ionization energy. (Getting larger)

A

Li-C-F

60
Q

Arrange At, Cs and Hf in the order of increasing ionization energy. (Getting larger)

A

Cs-Hf-F

61
Q

Who was the first to organize the periodic table?
A. Dalton
B. Rutherford
C. Mendeleev

A

C. Mendeleev

62
Q

What is the metric prefix for 10^3 also give the symbol for the prefix.

A

Prefix: Kilo

Symbol: k

63
Q

What is the metric prefix for 10^-6 also give the symbol for the prefix.

A

Prefix: micro

Symbol: u (cursive u)

64
Q

What is the metric prefix for 10^-12 also give the symbol for the prefix.

A

Prefix: Pico

Symbol: p

65
Q

What is the metric prefix for 10^-3 also give the symbol for the prefix.

A

Prefix: milli

Symbol: m

66
Q

What is the density of a piece of cheese that has a mass of 8.76g and a volume of 3.07 centimeters cubed?

A

Divide mass by volume to get your answer.

67
Q

What does the metric prefix for kilo mean?
A. 1000 times larger
B. 100 times larger
C. 10 times larger

A

A. 1000 times larger

68
Q

Which of these is not a characteristic of most ionic compounds?
A. Solid at room temperature
B. Has a low melting point
C. Conducts an electrical current when melted

A

B. Has a low melting point

69
Q

How many valence electrons will an atom in group 5A have?
A. 5
B. 4
C. 3

A

A. 5

70
Q

Isotopes in an atom have the same number of what?
A. Neutrons
B. Mass number
C. Protons

A

C. Protons

71
Q

What are the representative elements usually called?
A. Group A elements
B. Group B elements
C. Transition metals

A

A. Group A elements

72
Q

What is the charge on a Nitrogen atom that has gained electrons and become an ion?
A. 3+
B. 3-
C. 2-

A

B. 3-

73
Q

The electron configuration of a fluoride ion, Cl-, is what?
A. The same as a neon atom
B. The same as an argon atom

A

A. The same as a neon atom

74
Q

What is the octet rule?

A

Atoms will share/transfer/combine to become a noble gas -“8”.

75
Q

Why are metals good conductors of electricity?
A. Contains ions
B. Are ductile
C. Contain free valence electrons

A

C. Contain free valence electrons

76
Q

Which of the following has the electron configuration of a noble gas?
A. Mg
B. F-
C. P

A

B. F-

77
Q

Which of the following will make an ionic bond?
A. Magnesium and Bromine
B. Barium and Potassium
C. Chlorine and Iodine

A

A. Magnesium and Bromine

78
Q

When a lithium atom loses its valence electrons, what is the charge on the resulting ion?
A. 3+
B. 2+
C. 1+

A

C. 1+

79
Q

Which element has the largest atomic radius?
A. Al
B. P

A

A. Al

80
Q

Which element has the largest atomic radius?
A. N
B. Sb

A

B. Sb

81
Q

Which element has the largest atomic radius?
A. Cl
B. Mg

A

B. Mg

82
Q

The electron configuration for the Magnesium ion (Mg^2+) is what?
A. Same as potassium
B. Same as neon

A

B. Same as neon

83
Q

Be able to fill in the electron dot diagram and the ion each element becomes.

A

See Mrs. Krumpelman

84
Q

Be able to fill in the chart for Alpha, Beta and Gamma rays.

A

See Mrs. Krumpelman

85
Q

Be able to complete the atomic mass and atomic number chart.

A

See Mrs. Krumpelman

86
Q

Be able to fill in the particle chart for Neutrons, Electrons, and Protons.

A

See Mrs. Krumpelman

87
Q

Today’s periodic table is organized by what?
A. Atomic mass
B. Atomic number
C. Mass number

A

B. Atomic number

88
Q

How many neutrons are in 108/35 Ag?
A. 83
B. 63
C. 73

A

C. 73

89
Q

How many neutrons are in 68/30 Zn?
A. 38
B. 48
C. 58

A

A. 38

90
Q

What must happen to attain a noble gas configuration from an aluminum atom?
A. Gain 3 electrons
B. Lose 1 electron
C. Lose 3 electrons

A

C. Lose 3 electrons

91
Q

What atoms in compounds tend to have electron configurations of a noble gas?
A. Halide ion
B. Metallic Bond
C. Octet Rule

A

C. Octet Rule

92
Q

What is the force of attraction binding oppositely charged ions together?
A. Halide Ion
B. Ionic Bond
C. Metallic Bond

A

B. Ionic Bond

93
Q

What is the attraction of valence electrons for positive metal ions?
A. Metallic Bond
B. Ionic Bond
C. Valence Electrons

A

A. Metallic Bond

94
Q

What is a depiction of valence electrons around the symbol of an el?
A. Electron Dot Structure
B. Ionic Bond
C. Octet Rule

A

A. Electron Dot Structure

95
Q

What is an anion of chlorine or other halogen?
A. Ionic Bond
B. Halide Ion
C. Metallic Bond

A

B. Halide Ion

96
Q

What is an electron in the highest occupied energy level of an atom?
A. Ionic Bond
B. Electron Dot Structure
C. Valence Electron

A

C. Valence Electron

97
Q

Be able to know how to take a temperature in Celsius and put in into Kelvin.

A

See Mrs. Krumpelman for help.

98
Q

What do all of the elements in a particular group on the periodic table have the same number of?
A. Protons
B. Valance electrons
C. Neutrons

A

B. Valence electrons

99
Q

Be able to calculate the percent of error in a given measurement.

A

See Mrs. Krumpelman for help.

100
Q

When given 61/29 Cu or a similar problem. Be able to give the protons, neutrons and electrons of the element.

A

Example: 61/29 Cu
Protons: 29
Neutrons: 32
Electrons: 29

101
Q

Be able to describe the composition of a nucleus and draw Rutherford’s idea of an atom.

A

See Mrs. Krumpelman for help.

102
Q

Be able to state if an electron is lost or gained when given an element. Also know if they are a cation or anion.

A

Example: Br-, gained one electron, anion.

103
Q

Be able to put numbers in scientific notation.

A

Example: 43,000,000

Scientific notation: 4.3x10^7

104
Q

Be able to find the group and period elements go into.

A

Example: Carbon Group: 4A Period: 2

Xenon Group: 8A Period: 5

105
Q

Be able to identify if an element is an alkali metal, alkaline earth metal, halogen, noble gas, transition metal, or an inner transition metal.

A

Examples: Fluoride, Halogen

Magnesium, Alkaline earth metal

106
Q

Be able to calculate half life when given an element.

A

See Mrs. Krumpelman for help.

107
Q

Know how to correctly do an electron dot diagram.

A

See Mrs. Krumpelman for help.

108
Q

Be able to calculate the maximum number of electrons in each sublevel.

A

See Mrs. Krumpelman for help.

109
Q

When given an element, know how many electrons are in the highest occupied energy level.

A

See Mrs. Krumpelman for help.

110
Q

Be able to list the electromagnetic spectrum from the longest wavelength to the shortest.

A

Radio-radar-microwaves-infrared-visible light- UV- Xray-gamma

Hint: Rob-runs-miles-in-very-ugly-xtreme-grass.

111
Q

Be able to list the visible light spectrum in increasing wavelength. (shortest to longest)

A

Violet-indigo-blue-green-yellow-orange-red.

Hint: ROY-G-BIV

112
Q

Know how to find the electron configurations using the yellow brick road. Also know how to use the electron configuration to determine how many unshared pairs and element has.

A

See Mrs. Krumpelman if needed.

113
Q

Be able to draw how electrons will transfer from one element to another and write the chemical formula for pairs of elements.

A

See Mrs. Krumpelman if help is needed.

114
Q

Know how to find the mass of an element if given the volume and the density.

A

See Mrs. Krumpelman if need help

Chemistry (13 decks)

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